Share the QR code < / P > < p > with friends and circles of friends < / P > < p > < p > on September 14. On Monday night, local time, SpaceX's Falcon 9 rocket was launched from Vandenberg space force base in California, USA, successfully putting 51 star chain Internet satellites into the predetermined orbit p> < p > the Falcon 9 rocket was launched on time at 11:55 p.m. Eastern time. This is SpaceX's first satellite chain launch mission on the west coast of the United States and the 29th satellite chain launch mission, bringing the total number of satellite chain satellites in orbit to 1797 p> < p > this launch is the 22nd Falcon 9 rocket launch of SpaceX since this year, and it is also the first launch of star chain satellite since May this year. Before that, SpaceX launch was suspended for about four months, and the satellite chain satellites were equipped with laser interconnection devices to enable satellites to communicate with each other and reduce the dependence of satellite networks on ground base stations p> < p > it is reported that the rocket primary booster b1049 used in this launch is the tenth time to enter space. Previously, it has sent seven batches of satellite chain satellites, one Canadian communication satellite and 10 iridium next communication satellites into space in nine times. In addition, the two-part fairing of the rocket in this launch is also the fairing successfully recovered before. Shortly after the rocket took off, the first stage booster b1049 successfully landed on SpaceX's "of course I still love you" unmanned ship in the Pacific Ocean p> < p > after this launch, SpaceX will also launch seven batches of satellite chain satellites. (Chen Chen) < / P > < p >